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Applied Optics

Applied Optics


  • Vol. 37, Iss. 22 — Aug. 1, 1998
  • pp: 5222–5226

Optical acceptance function of modified compound parabolic concentrators with linear corrugated reflectors

Mats Rönnelid and Björn Karlsson  »View Author Affiliations

Applied Optics, Vol. 37, Issue 22, pp. 5222-5226 (1998)

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For reflective cylindrical concentrators the acceptance function, as determined in the meridian plane, remains constant for more oblique planes of incidence. However, if the reflective surface has a linear corrugated structure, it is possible to increase the acceptance in the meridian plane at the expense of reduced acceptance at a more oblique incidence. A ray-tracing study has been performed on the optical properties of troughlike compound parabolic concentrators (CPC’s) with linear corrugated reflectors. Calculations of angular acceptance for a modified CPC with concentration C = 2× is presented. A possible application of this new concentrator is as a secondary concentrator for tracking parabolic troughs.

© 1998 Optical Society of America

OCIS Codes
(220.1770) Optical design and fabrication : Concentrators
(350.6050) Other areas of optics : Solar energy

Original Manuscript: February 2, 1998
Revised Manuscript: April 13, 1998
Published: August 1, 1998

Mats Rönnelid and Björn Karlsson, "Optical acceptance function of modified compound parabolic concentrators with linear corrugated reflectors," Appl. Opt. 37, 5222-5226 (1998)

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